diff --git a/resources/systems/macos/es_systems.xml b/resources/systems/macos/es_systems.xml
index 2aa0e18b2..bc7f74763 100644
--- a/resources/systems/macos/es_systems.xml
+++ b/resources/systems/macos/es_systems.xml
@@ -741,6 +741,20 @@
megadrive
megadrive
+
+ megadrivejp
+ Sega Mega Drive
+ %ROMPATH%/megadrivejp
+ .32x .32X .68k .68K .bin .BIN .bms .BMS .chd .CHD .cue .CUE .gen .GEN .gg .GG .iso .ISO .m3u .M3U .md .MD .mdx .MDX .sg .SG .sgd .SGD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_libretro.dylib %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_wide_libretro.dylib %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.dylib %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/blastem_libretro.dylib %ROM%
+ %EMULATOR_MEDNAFEN% -force_module md %ROM%
+ %EMULATOR_ARES% --fullscreen --system "Mega Drive" %ROM%
+ megadrive
+ megadrivejp
+
megaduck
Creatronic Mega Duck
diff --git a/resources/systems/unix/es_systems.xml b/resources/systems/unix/es_systems.xml
index 632436eb1..45d8c61e3 100644
--- a/resources/systems/unix/es_systems.xml
+++ b/resources/systems/unix/es_systems.xml
@@ -764,6 +764,21 @@
megadrive
megadrive
+
+ megadrivejp
+ Sega Mega Drive
+ %ROMPATH%/megadrivejp
+ .32x .32X .68k .68K .bin .BIN .bms .BMS .chd .CHD .cue .CUE .gen .GEN .gg .GG .iso .ISO .m3u .M3U .md .MD .mdx .MDX .sg .SG .sgd .SGD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_libretro.so %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/genesis_plus_gx_wide_libretro.so %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/picodrive_libretro.so %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%/blastem_libretro.so %ROM%
+ %EMULATOR_BLASTEM% -m gen %ROM%
+ %EMULATOR_MEDNAFEN% -force_module md %ROM%
+ %EMULATOR_ARES% --fullscreen --system "Mega Drive" %ROM%
+ megadrive
+ megadrivejp
+
megaduck
Creatronic Mega Duck
diff --git a/resources/systems/windows/es_systems.xml b/resources/systems/windows/es_systems.xml
index 65a1564b6..0ab653244 100644
--- a/resources/systems/windows/es_systems.xml
+++ b/resources/systems/windows/es_systems.xml
@@ -766,6 +766,20 @@
megadrive
megadrive
+
+ megadrivejp
+ Sega Mega Drive
+ %ROMPATH%\megadrivejp
+ .32x .32X .68k .68K .bin .BIN .bms .BMS .chd .CHD .cue .CUE .gen .GEN .gg .GG .iso .ISO .m3u .M3U .md .MD .mdx .MDX .sg .SG .sgd .SGD .smd .SMD .sms .SMS .7z .7Z .zip .ZIP
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%\genesis_plus_gx_libretro.dll %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%\genesis_plus_gx_wide_libretro.dll %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%\picodrive_libretro.dll %ROM%
+ %EMULATOR_RETROARCH% -L %CORE_RETROARCH%\blastem_libretro.dll %ROM%
+ %EMULATOR_MEDNAFEN% -force_module md %ROM%
+ %EMULATOR_ARES% --fullscreen --system "Mega Drive" %ROM%
+ megadrive
+ megadrivejp
+
megaduck
Creatronic Mega Duck
diff --git a/themes/modern-es-de/art/megadrivejp.jpg b/themes/modern-es-de/art/megadrivejp.jpg
new file mode 100644
index 000000000..1cd14362a
Binary files /dev/null and b/themes/modern-es-de/art/megadrivejp.jpg differ
diff --git a/themes/slate-es-de/MISSING.md b/themes/slate-es-de/MISSING.md
index 4572cc7ac..a1c2f50c0 100644
--- a/themes/slate-es-de/MISSING.md
+++ b/themes/slate-es-de/MISSING.md
@@ -12,11 +12,11 @@
* atarijaguarcd: Atari Jaguar CD - consolegame.svg, controller.svg
* atarist: Atari ST - controller.svg
* atarixe: Atari XE - consolegame.svg, controller.svg
-* atomiswave: Atomiswave - consolegame.svg
+* atomiswave: Sammy Corporation Atomiswave - consolegame.svg
* auto-allgames - customized colors, consolegame.svg, (uses temporary art)
* auto-favorites - customized colors, consolegame.svg, (uses temporary art)
* auto-lastplayed - customized colors, consolegame.svg, (uses temporary art)
-* bbcmicro: BBC Micro - consolegame.svg, controller.svg
+* bbcmicro: Acorn Computers BBC Micro - consolegame.svg, controller.svg
* cdimono1: Philips CD-i - consolegame.svg, controller.svg
* cdtv: Commodore CDTV - consolegame.svg, controller.svg
* chailove: Löve game engine - consolegame.svg, controller.svg
@@ -26,7 +26,7 @@
* custom-collections - customized colors, consolegame.svg, (uses temporary art)
* daphne: Daphne Arcade Laserdisc Emulator - consolegame.svg, controller.svg
* desktop: Desktop applications - consolegame.svg, controller.svg
-* dragon32: Dragon 32 - consolegame.svg, controller.svg
+* dragon32: Dragon Data Dragon 32 - consolegame.svg, controller.svg
* easyrpg: EasyRPG Game Engine - consolegame.svg, controller.svg
* epic: Epic Games Store - consolegame.svg, controller.svg
* flash: Adobe Flash - consolegame.svg, controller.svg
@@ -39,6 +39,7 @@
* macintosh: Apple Macintosh - consolegame.svg, controller.svg
* megaduck: Creatronic Mega Duck - consolegame.svg
* mess: MESS (Multi Emulator Super System) - consolegame.svg, controller.svg
+* microsoft: Microsoft Windows - consolegame.svg, controller.svg
* model2: Sega Model 2 - consolegame.svg, controller.svg
* model3: Sega Model 3 - consolegame.svg, controller.svg
* moto: Thomson MO/TO series - consolegame.svg, controller.svg
@@ -60,7 +61,7 @@
* pokemini: Nintendo Pokémon Mini - consolegame.svg, controller.svg
* ports: Source ports - consolegame.svg, controller.svg
* ps4: Sony PlayStation 4 - consolegame.svg, controller.svg
-* samcoupe: SAM Coupé - consolegame.svg
+* samcoupe: MGT SAM Coupé - consolegame.svg
* satellaview: Nintendo Satellaview - consolegame.svg
* sgb: Nintendo Super Game Boy - consolegame.svg
* solarus: Solarus game engine - consolegame.svg
@@ -76,7 +77,7 @@
* to8: Thomson TO8 - consolegame.svg, controller.svg
* trs-80: Tandy TRS 80 - consolegame.svg, controller.svg
* uzebox: Uzebox - consolegame.svg
-* vectrex: Vectrex - consolegame.svg (needs simplification as it takes a long time to rasterize)
+* vectrex: Smith Engineering Vectrex - consolegame.svg (needs simplification as it takes a long time to rasterize)
* videopac: Magnavox Videopac (Odyssey 2) - update all info and graphics to differentiate European version from USA version
* virtualboy: Nintendo Virtual Boy - consolegame.svg (needs simplification as it takes a long time to rasterize)
* x1: Sharp X1 - consolegame.svg
diff --git a/themes/slate-es-de/megadrive/images/console2.svg b/themes/slate-es-de/megadrive/images/console2.svg
deleted file mode 100644
index 6f63e71c6..000000000
--- a/themes/slate-es-de/megadrive/images/console2.svg
+++ /dev/null
@@ -1,584 +0,0 @@
-
-
\ No newline at end of file
diff --git a/themes/slate-es-de/megadrive/images/controller.svg b/themes/slate-es-de/megadrive/images/controller.svg
index b51afe99f..6e209110f 100644
--- a/themes/slate-es-de/megadrive/images/controller.svg
+++ b/themes/slate-es-de/megadrive/images/controller.svg
@@ -1,20 +1,20 @@
\ No newline at end of file
+ inkscape:connector-curvature="0" />
diff --git a/themes/slate-es-de/megadrivejp/colors.xml b/themes/slate-es-de/megadrivejp/colors.xml
new file mode 100644
index 000000000..0be45e63a
--- /dev/null
+++ b/themes/slate-es-de/megadrivejp/colors.xml
@@ -0,0 +1,16 @@
+
+
+
+ 81294D
+
+
+ E62229
+
+
+ 3464AF
+
+
+ 019B43
+
+
+
\ No newline at end of file
diff --git a/themes/slate-es-de/megadrivejp/images/consolegame.svg b/themes/slate-es-de/megadrivejp/images/consolegame.svg
new file mode 100644
index 000000000..d9a43d880
--- /dev/null
+++ b/themes/slate-es-de/megadrivejp/images/consolegame.svg
@@ -0,0 +1,1444 @@
+
+
+
+
diff --git a/themes/slate-es-de/megadrivejp/images/controller.svg b/themes/slate-es-de/megadrivejp/images/controller.svg
new file mode 100644
index 000000000..b51afe99f
--- /dev/null
+++ b/themes/slate-es-de/megadrivejp/images/controller.svg
@@ -0,0 +1,504 @@
+
+
\ No newline at end of file
diff --git a/themes/slate-es-de/megadrivejp/images/logo.svg b/themes/slate-es-de/megadrivejp/images/logo.svg
new file mode 100644
index 000000000..40f8d64a6
--- /dev/null
+++ b/themes/slate-es-de/megadrivejp/images/logo.svg
@@ -0,0 +1,65 @@
+
+
+
diff --git a/themes/slate-es-de/megadrivejp/systeminfo.xml b/themes/slate-es-de/megadrivejp/systeminfo.xml
new file mode 100644
index 000000000..347972f03
--- /dev/null
+++ b/themes/slate-es-de/megadrivejp/systeminfo.xml
@@ -0,0 +1,31 @@
+
+
+
+ Manufacturer: Sega
+
+
+ Released: 1988
+
+
+ Units sold: 30.75 million (incl. Genesis)
+
+
+ Best-selling game: Sonic the Hedgehog
+
+
+ CPU: Motorola 68000 @ 7.6 MHz + Zilog Z80 @ 3.58 MHz
+
+
+ RAM: 64 KB / VRAM: 64 KB / Sound RAM: 8 KB
+
+
+ Graphics: 16-bit Sega VDP
+
+
+ Resolution: 320×224 pixels, 64 colors (512 color palette)
+
+
+ Sound: Yamaha YM2612 FM + TI SN76489 PSG
+
+
+
\ No newline at end of file